kelley went to the fbi with the anonymous threatening e-mails. agents traced those to paula broadwell and uncovered her affair with petraeus. one defense official described the e-mails between general allen and kelley as flirtatious. another official tells cbs news, some of the e-mails were more than sexy exchanges and may have crossed the line. general allen said he did nothing wrong but for now the capitol hill hearings on his promotion are delayed. >> at request of the secretary of defense, the president has put on hold the promotion. >> general allen and petraeus wrote letters for a custody battle for her sister and more is wanted on the attack in benghazi, libya. >> i think it is imperative that general petraeus come and testify. >> reporter: some congressional leaders have also called for a joint house-senate probe into the petraeus scandal. the white house said the president was surprised to hear about the petraeus investigation and that the president has faith in general allen and thinks highly of his work in afghanistan. in washington, d